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###### Securities and Exchange Commission

          - [Release No. 34-99057; File No. SR-NYSECHX-2023-23]

                    Pursuant to Section 19(b)(1) [1]                                          of the Securities Exchange Act of 1934 (“Act” or “Exchange Act”) [2]                                          and Rule 19b-4 thereunder,[3]                                          notice is hereby given that on November 20, 2023, NYSE Chicago, Inc. (“Exchange”) filed with the Securities and Exchange Commission (“Commission”) the proposed rule change as described in Items I and II below, which Items have been prepared by the self-regulatory organization. The Commission is publishing this notice to solicit comments on the proposed rule change from interested persons.                

## I. Self-Regulatory Organization's Statement of the Terms of Substance of the Proposed Rule Change

                    The Exchange proposes to update citations to Rule 600(b) of Regulation National Market System (“Regulation NMS”) in Rule 6.6810 (Consolidated Audit Trail—Definitions); Rule 7.31 (Orders and Modifiers); Article 1, Rule 1 (Definitions); Article 1, Rule 2 (Order Types, Modifiers, and Related Terms); Article 9, Rule 17 (Prohibition Against Trading Ahead of Customer Orders); and Article 20, Rule 5 (Prevention of Trade-Throughs). The proposed rule change is available on the Exchange's website at                     *www.nyse.com,*                     at the principal office of the Exchange, and at                           ( print page 84856)                        the Commission's Public Reference Room.                

## II. Self-Regulatory Organization's Statement of the Purpose of, and Statutory Basis for, the Proposed Rule Change

In its filing with the Commission, the self-regulatory organization included statements concerning the purpose of, and basis for, the proposed rule change and discussed any comments it received on the proposed rule change. The text of those statements may be examined at the places specified in Item IV below. The Exchange has prepared summaries, set forth in sections A, B, and C below, of the most significant parts of such statements.

### A. Self-Regulatory Organization's Statement of the Purpose of, and the Statutory Basis for, the Proposed Rule Change

#### 1. Purpose

The Exchange proposes to update citations to Rule 600(b) of Regulation NMS in Rule 6.6810 (Consolidated Audit Trail—Definitions); Rule 7.31 (Orders and Modifiers); Article 1, Rule 1 (Definitions); Article 1, Rule 2 (Order Types, Modifiers, and Related Terms); Article 9, Rule 17 (Prohibition Against Trading Ahead of Customer Orders); and Article 20, Rule 5 (Prevention of Trade-Throughs).

                    In 2021, the Securities and Exchange Commission (the “Commission”) amended Regulation NMS under the Act in connection with the adoption of the Market Data Infrastructure Rules.[4]                                          As part of that initiative, the Commission adopted new definitions in Rule 600(b) of Regulation NMS and renumbered the remaining definitions, including the definition of Automated Quotations (formerly Rule 600(b)(3), Intermarket Sweep Order (formerly Rule 600(b)(30)), Listed Option (formerly Rule 600(b)(35), and Trading Center (formerly Rule 600(b)(78)).                

The Exchange accordingly proposes to update the relevant citations to Rule 600(b) in its rules as follows.
    - The citation to the definition of Listed Option in Rule 6.6810(y) would be changed to Rule 600(b)(43).
    - The citation to the definition of Intermarket Sweep Order in Rule 7.31(e)(3); Article 1, Rule 2(b)(3)(B); and Article 9, Rule 17, Interpretations and Policies .04, would be changed to Rule 600(b)(38).
    - The citation to the definition of Trading Center in Article 1, Rule 1(nn) would be changed to Rule 600(b)(95).
    - The citation to the definition of automated quotation in Article 20, Rule 5, Interpretations and Policies .01(c)(2) and (c)(3), .02, and .02(c) would be changed to Rule 600(b)(6).

#### 2. Statutory Basis

                    The Exchange believes that the proposed rule change is consistent with Section 6(b)(5) of the Exchange Act,[5]                                          in that it is designed to prevent fraudulent and manipulative acts and practices, to promote just and equitable principles of trade, to foster cooperation and coordination with persons engaged in facilitating transactions in securities, to remove impediments to and perfect the mechanism of a free and open market and a national market system and, in general, to protect investors and the public interest.                

The Exchange believes that the proposed changes to its rules to correct citations to Rule 600(b) of Regulation NMS would remove impediments to and perfect the mechanism of a free and open market and a national market system because the proposed change is designed to update an external rule reference. The Exchange believes that member organizations would benefit from the increased clarity, thereby reducing potential confusion and ensuring that persons subject to the Exchange's jurisdiction, regulators, and the investing public can more easily navigate and understand the Exchange's rules. The Exchange further believes that the proposed amendment would not be inconsistent with the public interest and the protection of investors because investors will not be harmed and in fact would benefit from increased clarity, thereby reducing potential confusion.

### B. Self-Regulatory Organization's Statement on Burden on Competition

                    In accordance with Section 6(b)(8) of the Act,[6]                                          the Exchange believes that the proposed rule change would not impose any burden on competition that is not necessary or appropriate in furtherance of the purposes of the Act. The proposed rule change is not intended to address competitive issues but rather would modify Exchange rules to update citations to Rule 600(b) of Reg NMS. Since the proposal does not substantively modify system functionality or processes on the Exchange, the proposed changes will not impose any burden on competition.                

### C. Self-Regulatory Organization's Statement on Comments on the Proposed Rule Change Received From Members, Participants, or Others

No written comments were solicited or received with respect to the proposed rule change.

## III. Date of Effectiveness of the Proposed Rule Change and Timing for Commission Action

                    Pursuant to Section 19(b)(3)(A) of the Act [7]                                          and Rule 19b-4(f)(6) [8]                                          thereunder, the Exchange has designated this proposal as one that effects a change that: (i) does not significantly affect the protection of investors or the public interest; (ii) does not impose any significant burden on competition; and (iii) by its terms, does not become operative for 30 days after the date of the filing, or such shorter time as the Commission may designate if consistent with the protection of investors and the public interest.[9] 

                    A proposed rule change filed pursuant to Rule 19b-4(f)(6) under the Act normally does not become operative for 30 days after the date of its filing. However, Rule 19b-4(f)(6)(iii) [10]                                          permits the Commission to designate a shorter time if such action is consistent with the protection of investors and the public interest. The Exchange requested that the Commission waive the 30-day operative delay so that the proposal may become operative immediately upon filing. The proposed change raises no novel legal or regulatory issues and modifies the Exchange's rules to correct citations to Rule 600(b) of Regulation NMS, which should help prevent confusion and result in increased clarity within the Exchange's rules. Therefore, the Commission believes that waiver of the 30-day operative delay is consistent with the protection of investors and the public interest. Accordingly, the Commission hereby waives the 30-day operative delay and designates the proposed rule change operative upon filing.[11] 

                    At any time within 60 days of the filing of the proposed rule change, the Commission summarily may                           ( print page 84857)                        temporarily suspend such rule change if it appears to the Commission that such action is necessary or appropriate in the public interest, for the protection of investors, or otherwise in furtherance of the purposes of the Act.                

## IV. Solicitation of Comments

Interested persons are invited to submit written data, views and arguments concerning the foregoing, including whether the proposed rule change is consistent with the Act. Comments may be submitted by any of the following methods:

### Electronic Comments

    - Use the Commission's internet comment form ( https://www.sec.gov/​rules/​sro.shtml ); or                
    - Send an email to rule-comments@sec.gov . Please include file number SR-NYSECHX-2023-23 on the subject line.                

### Paper Comments

    - Send paper comments in triplicate to Secretary, Securities and Exchange Commission, 100 F Street NE, Washington, DC 20549-1090.

                    All submissions should refer to file number SR-NYSECHX-2023-23. This file number should be included on the subject line if email is used. To help the Commission process and review your comments more efficiently, please use only one method. The Commission will post all comments on the Commission's internet website (                    *https://www.sec.gov/​rules/​sro.shtml*). Copies of the submission, all subsequent amendments, all written statements with respect to the proposed rule change that are filed with the Commission, and all written communications relating to the proposed rule change between the Commission and any person, other than those that may be withheld from the public in accordance with the provisions of 5 U.S.C. 552, will be available for website viewing and printing in the Commission's Public Reference Room, 100 F Street NE, Washington, DC 20549, on official business days between the hours of 10 a.m. and 3 p.m. Copies of the filing also will be available for inspection and copying at the principal office of the Exchange. Do not include personal identifiable information in submissions; you should submit only information that you wish to make available publicly. We may redact in part or withhold entirely from publication submitted material that is obscene or subject to copyright protection. All submissions should refer to file number SR-NYSECHX-2023-23 and should be submitted on or before December 27, 2023.                

                        For the Commission, by the Division of Trading and Markets, pursuant to delegated authority.[12] 

Sherry R. Haywood,

Assistant Secretary.

# Footnotes

1.                             15 U.S.C. 78s(b)(1).                    
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2.                             15 U.S.C. 78a.                    
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3.                             17 CFR 240.19b-4.                    
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4.                                                     *See*                         Securities Exchange Act Release No. 90610, 86 FR 18596 (April 9, 2021) (S7-03-20).                    
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5.                             15 U.S.C. 78f(b)(5).                    
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6.                             15 U.S.C. 78f(b)(8).                    
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7.                             15 U.S.C. 78s(b)(3)(A).                    
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8.                             17 CFR 240.19b-4(f)(6).                    
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9.                             In addition, Rule 19b-4(f)(6) requires a self-regulatory organization to give the Commission written notice of its intent to file the proposed rule change at least five business days prior to the date of filing of the proposed rule change, or such shorter time as designated by the Commission. The Exchange has satisfied this requirement.                    
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10.                             17 CFR 240.19b-4(f)(6)(iii).                    
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11.                             For purposes only of waiving the 30-day operative delay, the Commission has also considered the proposed rule's impact on efficiency, competition, and capital formation.                         *See*15 U.S.C. 78c(f).                    
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12.                                 17 CFR 200.30-3(a)(12), (59).                        
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[FR Doc. 2023-26730 Filed 12-5-23; 8:45 am]

BILLING CODE 8011-01-P